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@article{DAN_1972_203_2_a3, author = {A. K. Gushchin}, title = {On lower bounds for the solutions of boundary value problems for a parabolic equation}, journal = {Doklady Akademii Nauk}, pages = {274--277}, publisher = {mathdoc}, volume = {203}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_203_2_a3/} }
A. K. Gushchin. On lower bounds for the solutions of boundary value problems for a parabolic equation. Doklady Akademii Nauk, Tome 203 (1972) no. 2, pp. 274-277. http://geodesic.mathdoc.fr/item/DAN_1972_203_2_a3/