%0 Journal Article %A Yu. Ya. Kharitonov %A G. V. Tsintsadze %A M. A. Porai-Koshits %T On the nature of the vibration frequency variation when coordination bonds are formed by the %J Doklady Akademii Nauk %D 1965 %P 1351-1354 %V 160 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_6_a33/ %G ru %F DAN_1965_160_6_a33