@article{1103841538, author = {Kupczy\'nski, Marian}, title = {On the generalized Saletan contractions}, journal = {Comm. Math. Phys.}, volume = {12}, number = {1}, year = {1969}, pages = { 154-162}, language = {en}, url = {http://dml.mathdoc.fr/item/1103841538} }
Kupczyński, Marian. On the generalized Saletan contractions. Comm. Math. Phys., Tome 12 (1969) no. 1, pp. 154-162. http://gdmltest.u-ga.fr/item/1103841538/