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@article{DE_1966_2_11_a8, author = {L. I. Kamynin}, title = {On the smoothness of thermal potentials. {III}}, journal = {Differencialʹnye uravneni\^a}, pages = {1484--1501}, publisher = {mathdoc}, volume = {2}, number = {11}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1966_2_11_a8/} }
L. I. Kamynin. On the smoothness of thermal potentials. III. Differencialʹnye uravneniâ, Tome 2 (1966) no. 11, pp. 1484-1501. http://geodesic.mathdoc.fr/item/DE_1966_2_11_a8/