%0 Journal Article %A I. I. Artobolevsky %T On the theory of four-bar chains with two sliding pairs %J Doklady Akademii Nauk %D 1961 %P 838-840 %V 139 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a17/ %G ru %F DAN_1961_139_4_a17