Orthodiagonal quadrilateral (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orthodiagonal quadrilateral" in English language version.

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ams.org

Josefsson, Martin (2020), "104.20 A characterisation of midsquare quadrilaterals", The Mathematical Gazette, 104 (560): 331–335, doi:10.1017/mag.2020.62, MR 4120226

Josefsson, Martin (2020), "104.20 A characterisation of midsquare quadrilaterals", The Mathematical Gazette, 104 (560): 331–335, doi:10.1017/mag.2020.62, MR 4120226
Mitchell, Douglas, W. (2009), "The area of a quadrilateral", The Mathematical Gazette, 93 (July): 306–309, doi:10.1017/S0025557200184906.
Harries, J. (2002), "Area of a quadrilateral", The Mathematical Gazette, 86 (July): 310–311, doi:10.2307/3621873, JSTOR 3621873
Josefsson, Martin (2016), "Properties of Pythagorean quadrilaterals", The Mathematical Gazette, 100 (July): 213–224, doi:10.1017/mag.2016.57.

Josefsson, Martin (2010), "Calculations concerning the tangent lengths and tangency chords of a tangential quadrilateral" (PDF), Forum Geometricorum, 10: 119–130, archived from the original (PDF) on 2011-08-13, retrieved 2011-01-11.
Ismailescu, Dan; Vojdany, Adam (2009), "Class preserving dissections of convex quadrilaterals" (PDF), Forum Geometricorum, 9: 195–211, archived from the original (PDF) on 2019-12-31, retrieved 2011-01-14.
Josefsson, Martin (2012), "Characterizations of Orthodiagonal Quadrilaterals" (PDF), Forum Geometricorum, 12: 13–25, archived from the original (PDF) on 2020-12-05, retrieved 2012-04-08.
Mammana, Maria Flavia; Micale, Biagio; Pennisi, Mario (2011), "The Droz-Farny Circles of a Convex Quadrilateral" (PDF), Forum Geometricorum, 11: 109–119, archived from the original (PDF) on 2018-04-23, retrieved 2012-04-09.
David, Fraivert (2017), "Properties of a Pascal points circle in a quadrilateral with perpendicular diagonals" (PDF), Forum Geometricorum, 17: 509–526, archived from the original (PDF) on 2020-12-05, retrieved 2017-12-18.

Harries, J. (2002), "Area of a quadrilateral", The Mathematical Gazette, 86 (July): 310–311, doi:10.2307/3621873, JSTOR 3621873

Josefsson, Martin (2010), "Calculations concerning the tangent lengths and tangency chords of a tangential quadrilateral" (PDF), Forum Geometricorum, 10: 119–130, archived from the original (PDF) on 2011-08-13, retrieved 2011-01-11.
Ismailescu, Dan; Vojdany, Adam (2009), "Class preserving dissections of convex quadrilaterals" (PDF), Forum Geometricorum, 9: 195–211, archived from the original (PDF) on 2019-12-31, retrieved 2011-01-14.
Josefsson, Martin (2012), "Characterizations of Orthodiagonal Quadrilaterals" (PDF), Forum Geometricorum, 12: 13–25, archived from the original (PDF) on 2020-12-05, retrieved 2012-04-08.
Mammana, Maria Flavia; Micale, Biagio; Pennisi, Mario (2011), "The Droz-Farny Circles of a Convex Quadrilateral" (PDF), Forum Geometricorum, 11: 109–119, archived from the original (PDF) on 2018-04-23, retrieved 2012-04-09.
David, Fraivert (2017), "Properties of a Pascal points circle in a quadrilateral with perpendicular diagonals" (PDF), Forum Geometricorum, 17: 509–526, archived from the original (PDF) on 2020-12-05, retrieved 2017-12-18.