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@article{FAA_1971_5_1_a18, author = {I. B. Simonenko}, title = {On the question of the solvability of bisingular and polysingular equations}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {93--94}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1971_5_1_a18/} }
I. B. Simonenko. On the question of the solvability of bisingular and polysingular equations. Funkcionalʹnyj analiz i ego priloženiâ, Tome 5 (1971) no. 1, pp. 93-94. http://geodesic.mathdoc.fr/item/FAA_1971_5_1_a18/