@article{106843, author = {Jan Trlifaj}, title = {Associative rings and the Whitehead property of modules [Abstract of thesis]}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {031}, year = {1990}, pages = {194-195}, zbl = {0697.16024}, language = {en}, url = {http://dml.mathdoc.fr/item/106843} }
Trlifaj, Jan. Associative rings and the Whitehead property of modules [Abstract of thesis]. Commentationes Mathematicae Universitatis Carolinae, Tome 031 (1990) pp. 194-195. http://gdmltest.u-ga.fr/item/106843/
Group modifications of tome partial groupoids, Annals Discr. Math. 18 (1983), 319-322. (1983) | MR 0695819