@article{TIMM_2015_21_1_a13,
     author = {A. A. Kovalevsky},
     title = {Toward the $L^1$-theory of degenerate anisotropic elliptic variational inequalities},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {137--152},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a13/}
}