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@article{FAA_1973_7_1_a0, author = {S. M. Vishik}, title = {Singularities of analytic foliations and characteristic classes}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {1--15}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_1_a0/} }
S. M. Vishik. Singularities of analytic foliations and characteristic classes. Funkcionalʹnyj analiz i ego priloženiâ, Tome 7 (1973) no. 1, pp. 1-15. http://geodesic.mathdoc.fr/item/FAA_1973_7_1_a0/