@article{GDZPPN00203106X, title = {On extensions of homomorphisms.}, journal = {Aequationes mathematicae}, volume = {18}, year = {1978}, pages = {199-207}, zbl = {0383.20025}, url = {http://dml.mathdoc.fr/item/GDZPPN00203106X} }
Grzaslewicz, Andrzej. On extensions of homomorphisms.. Aequationes mathematicae, Tome 18 (1978) pp. 199-207. http://gdmltest.u-ga.fr/item/GDZPPN00203106X/