Geodesic
On Some Problems for Doubly Nonlinear Parabolic Equations and Equations of Variable Type
Matematičeskie trudy, Tome 3 (2000) no. 2, pp. 71-110 
S. N. Glazatov. On Some Problems for Doubly Nonlinear Parabolic Equations and Equations of Variable Type. Matematičeskie trudy, Tome 3 (2000) no. 2, pp. 71-110. http://geodesic.mathdoc.fr/item/MT_2000_3_2_a2/
@article{MT_2000_3_2_a2,
     author = {S. N. Glazatov},
     title = {On {Some} {Problems} for {Doubly} {Nonlinear} {Parabolic} {Equations} and {Equations} of {Variable} {Type}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {71--110},
     year = {2000},
     volume = {3},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2000_3_2_a2/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

In the article, existence theorems are proven of regular solutions to the first and second boundary value problems for a wide class of parabolic equations with double nonlinearity which may degenerate on a solution and on the gradient of a solution. Solvability of variational inequalities connected with these equations is studied. The existence of $t$-periodic solutions to nonlinear parabolic equations with changing time direction is established.