@article{bwmeta1.element.desklight-8a14d8cf-da07-44e2-b62d-77ed5bf26a31, author = {Jerzy Dydak}, title = {On elementary maps}, journal = {Colloquium Mathematicae}, volume = {31}, year = {1974}, pages = {67-69}, zbl = {0291.54008}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-8a14d8cf-da07-44e2-b62d-77ed5bf26a31} }
Jerzy Dydak. On elementary maps. Colloquium Mathematicae, Tome 31 (1974) pp. 67-69. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-8a14d8cf-da07-44e2-b62d-77ed5bf26a31/