@article{DE_2003_39_11_a20,
     author = {V. A. Il'in and Yu. V. Pokorny and A. V. Borovskikh},
     title = {Pontryagin {Readings-XIV} at {Voronezh} {Spring} {Mathematical} {School} {{\textquotedblleft}Modern} {Methods} in {Qualitative} {Theory} of {Boundary} {Value} {Problems{\textquotedblright}}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1574},
     year = {2003},
     volume = {39},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_11_a20/}
}