@article{1183514159,
author = {Muhly, H. T.},
title = {The irregularity of an algebraic surface and a theorem on regular surfaces},
journal = {Bull. Amer. Math. Soc.},
volume = {55},
number = {12},
year = {1949},
pages = { 940-947},
language = {en},
url = {http://dml.mathdoc.fr/item/1183514159}
}
Muhly, H. T. The irregularity of an algebraic surface and a theorem on regular surfaces. Bull. Amer. Math. Soc., Tome 55 (1949) no. 12, pp. 940-947. http://gdmltest.u-ga.fr/item/1183514159/