%0 Journal Article %A Yu. V. Linnik %T Application of complex variables to the study of the Behrens--Fisher problem %J Doklady Akademii Nauk %D 1963 %P 252-255 %V 149 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_2_a8/ %G ru %F DAN_1963_149_2_a8