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@article{DE_1974_10_2_a14, author = {O. A. Liskovets}, title = {Calculation of the values of a closed unbounded operator}, journal = {Differencialʹnye uravneni\^a}, pages = {290--300}, publisher = {mathdoc}, volume = {10}, number = {2}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_2_a14/} }
O. A. Liskovets. Calculation of the values of a closed unbounded operator. Differencialʹnye uravneniâ, Tome 10 (1974) no. 2, pp. 290-300. http://geodesic.mathdoc.fr/item/DE_1974_10_2_a14/