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@article{FAA_1991_25_3_a10, author = {P. A. Kozhukhar'}, title = {Point spectrum of singular nonselfadjoint differential operators}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {78--80}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1991_25_3_a10/} }
P. A. Kozhukhar'. Point spectrum of singular nonselfadjoint differential operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 25 (1991) no. 3, pp. 78-80. http://geodesic.mathdoc.fr/item/FAA_1991_25_3_a10/