@article{DE_1992_28_9_a7,
     author = {A. I. Panasyuk},
     title = {Properties of solutions of a quasidifferential approximation equation and an equation of an integral funnel},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1537--1544},
     publisher = {mathdoc},
     volume = {28},
     number = {9},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_9_a7/}
}