@article{DE_1969_5_3_a18,
     author = {V. A. Bondarenko},
     title = {Integral inequalities with nonmonotonic functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {565--567},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_3_a18/}
}