Study of stationary solutions in gene network models by the homotopy method. Fadeev, S.I.; Gajnova, I.A.; Berezin, A.Yu.; Ratushnyj, A.V.; Matushkin, Yu.G.; Likhoshvaj, V.A. — 2004 Sibirskie Ehlektronnye Matematicheskie Izvestiya [electronic only]