TY - JOUR AU - N. I. Kazeeva TI - An investigation of the stabiity of systems of difference equations with constant coefficients in the critical case of one root equal to unity JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1970 SP - 31 EP - 36 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1970_10_a3/ LA - ru ID - IVM_1970_10_a3 ER -