@article{KYB_1987__23_1_a3,
     author = {Vojtenko, Sergej S.},
     title = {Existence conditions for stabilizing and antistabilizing solutions to the nonautonomous matrix {Riccati} differential equation},
     journal = {Kybernetika},
     pages = {32--43},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1987},
     mrnumber = {883905},
     zbl = {0623.34006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1987__23_1_a3/}
}