%0 Journal Article %A V. A. Gorelov %T On systems of root vector functions of the Laplace operator with matrix eigenvalues %J Differencialʹnye uravneniâ %D 1994 %P 119-127 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_1_a13/ %G ru %F DE_1994_30_1_a13