@article{DAN_1961_137_3_a2,
     author = {M. I. Vishik},
     title = {Solution of a system of quasilinear equations having divergence form, under periodic boundary conditions},
     journal = {Doklady Akademii Nauk},
     pages = {502--505},
     publisher = {mathdoc},
     volume = {137},
     number = {3},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_137_3_a2/}
}