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@article{DE_1965_1_6_a10, author = {L. I. Kamynin}, title = {On the smoothness of thermal potentials}, journal = {Differencialʹnye uravneni\^a}, pages = {799--839}, publisher = {mathdoc}, volume = {1}, number = {6}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_6_a10/} }
L. I. Kamynin. On the smoothness of thermal potentials. Differencialʹnye uravneniâ, Tome 1 (1965) no. 6, pp. 799-839. http://geodesic.mathdoc.fr/item/DE_1965_1_6_a10/