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@article{DE_1990_26_9_a12, author = {Ya. S. Kushitsky}, title = {The {Tikhonov} problem for second-order linear parabolic equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1576--1585}, publisher = {mathdoc}, volume = {26}, number = {9}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_9_a12/} }
Ya. S. Kushitsky. The Tikhonov problem for second-order linear parabolic equations. Differencialʹnye uravneniâ, Tome 26 (1990) no. 9, pp. 1576-1585. http://geodesic.mathdoc.fr/item/DE_1990_26_9_a12/