@article{IM2_2019_83_2_a4,
     author = {A. A. Kalybay and R. Oinarov},
     title = {Bounds for a~class of quasilinear integral operators on the set of non-negative and non-negative monotone functions},
     journal = {Izvestiya. Mathematics },
     pages = {251--272},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2019_83_2_a4/}
}