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@article{FAA_1981_15_2_a3, author = {E. E. Landis}, title = {Tangential singularities}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {36--49}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a3/} }
E. E. Landis. Tangential singularities. Funkcionalʹnyj analiz i ego priloženiâ, Tome 15 (1981) no. 2, pp. 36-49. http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a3/