@article{DE_1995_31_10_a8,
     author = {V. A. Plotnikov and L. I. Plotnikova},
     title = {Averaging of quasi-differential equations in metric spaces},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1669--1674},
     publisher = {mathdoc},
     volume = {31},
     number = {10},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_10_a8/}
}