@article{VMUMM_1986_4_a18,
     author = {G. V. Grishina},
     title = {On the smoothness and behavior of a solution of a nonlinear elliptic {Dirichlet} problem in a neighborhood of a singular boundary point},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {84--87},
     year = {1986},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_4_a18/}
}