@article{1103841857, author = {Mielnik, Bogdan}, title = {Theory of filters}, journal = {Comm. Math. Phys.}, volume = {12}, number = {1}, year = {1969}, pages = { 1-46}, language = {en}, url = {http://dml.mathdoc.fr/item/1103841857} }
Mielnik, Bogdan. Theory of filters. Comm. Math. Phys., Tome 12 (1969) no. 1, pp. 1-46. http://gdmltest.u-ga.fr/item/1103841857/