Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1971_116_a5, author = {A. V. Ivanov}, title = {The smoothness of the generalized solutions of degenerate second order parabolic equations}, journal = {Informatics and Automation}, pages = {55--70}, publisher = {mathdoc}, volume = {116}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1971_116_a5/} }
A. V. Ivanov. The smoothness of the generalized solutions of degenerate second order parabolic equations. Informatics and Automation, Boundary value problems of mathematical physics. Part 7, Tome 116 (1971), pp. 55-70. http://geodesic.mathdoc.fr/item/TRSPY_1971_116_a5/