@article{DE_1991_27_1_a5,
     author = {V. V. Zhikov},
     title = {The {Lavrent'ev} effect and averaging of nonlinear variational problems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {42--50},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_1_a5/}
}