Gompf, Robert E.; Mrowka, Tomasz S. (July 1, 1993). "Irreducible 4-Manifolds Need not be Complex". Annals of Mathematics. Second Series. 138 (1): 61–111. doi:10.2307/2946635. JSTOR2946635.
Gompf, Robert E.; Mrowka, Tomasz S. (July 1, 1993). "Irreducible 4-Manifolds Need not be Complex". Annals of Mathematics. Second Series. 138 (1): 61–111. doi:10.2307/2946635. JSTOR2946635.