@article{VKAM_2017_1_a4,
     author = {D. A. Tvyordyj},
     title = {The {Riccati} equation with variable heredity},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {44--53},
     year = {2017},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2017_1_a4/}
}