%0 Journal Article %A I. V. Ershov %A A. P. Ovechkin %A B. T. Fedyushin %A A. I. Kharitonov %A Yu. A. Tsvetaev %T The application of pulse lasers as light sources to shadow and interferential instruments %J Doklady Akademii Nauk %D 1969 %P 277-280 %V 189 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_189_2_a13/ %G ru %F DAN_1969_189_2_a13