@article{DE_2000_36_2_a15,
     author = {N. N. Nefedov},
     title = {An asymptotic method of differential inequalities for the investigation of periodic contrast structures: {Existence,} asymptotics, and stability},
     journal = {Differencialʹnye uravneni\^a},
     pages = {262--269},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_2_a15/}
}