@article{IVM_2012_11_a1,
     author = {G. A. Grigoryan},
     title = {Two comparison criteria for scalar {Riccati} equations and their applications},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {20--35},
     publisher = {mathdoc},
     number = {11},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2012_11_a1/}
}