TY - JOUR AU - Yu. L. Shmul'yan TI - A multiplication theorem for transfer functions in general systems theory JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1986 SP - 76 EP - 79 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1986_7_a12/ LA - ru ID - IVM_1986_7_a12 ER -