@article{RM_1983_38_1_a28,
     author = {N. A. Shananin},
     title = {On~the existence of non-smooth solutions},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {219--220},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1983_38_1_a28/}
}