TY - JOUR AU - Yu. E. Alenitsyn TI - An extension of the principle of subordination to multiply connected regions JO - Informatics and Automation PY - 1961 SP - 5 EP - 21 VL - 60 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1961_60_a1/ LA - ru ID - TRSPY_1961_60_a1 ER -