Eiesland, John (Nisan 1908). "On Translation-Surfaces Connected with a Unicursal Quartic". American Journal of Mathematics. 30 (2). Johns Hopkins University Press. ss. 170-208. doi:10.2307/2370160. JSTOR2370160.
jstor.org
Eiesland, John (Nisan 1908). "On Translation-Surfaces Connected with a Unicursal Quartic". American Journal of Mathematics. 30 (2). Johns Hopkins University Press. ss. 170-208. doi:10.2307/2370160. JSTOR2370160.