%0 Journal Article %A M. S. Livshits %A M. Sh. Flekser %T Expansion of a reactive four-terminal network into a chain of simplest four-terminal networks %J Doklady Akademii Nauk %D 1960 %P 542-544 %V 135 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_135_3_a9/ %G ru %F DAN_1960_135_3_a9