@article{ZNSL_1995_221_a15,
     author = {M. Fuchs},
     title = {Existence of solutions of nonlinear degenerate systems of parabolic variational inequalities},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {243--252},
     publisher = {mathdoc},
     volume = {221},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1995_221_a15/}
}