TY - JOUR AU - N. I. Kazeeva AU - S. N. Shimanov TI - A study of the stability of systems of difference equations in the critical case of one as a double root JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1977 SP - 23 EP - 28 IS - 12 UR - http://geodesic.mathdoc.fr/item/IVM_1977_12_a4/ LA - ru ID - IVM_1977_12_a4 ER -