@article{ZVMMF_2013_53_9_a1, author = {V. F. Butuzov and N. T. Levashova and A. A. Mel'nikova}, title = {A steplike contrast structure in a singularly perturbed system of elliptic equations}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {1427--1447}, publisher = {mathdoc}, volume = {53}, number = {9}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_2013_53_9_a1/} }