@article{DE_1979_15_5_a12,
     author = {Yu. V. Komlenko},
     title = {Nonlinear {Volterra} integral equations with a nonmonotone operator which have positive solutions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {885--889},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a12/}
}