%0 Journal Article %A M. S. Livshits %T A mathematical problem connected with the theory of lengthwise polarized light %J Doklady Akademii Nauk %D 1960 %P 797-800 %V 131 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_4_a21/ %G ru %F DAN_1960_131_4_a21