@article{ZVMMF_1999_39_5_a10, author = {V. F. Butuzov and I. V. Nedelko}, title = {Existence, local uniqueness, and asymptotics of two-dimensional periodic steplike contrast structures}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {812--831}, year = {1999}, volume = {39}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_1999_39_5_a10/} }