%0 Journal Article %A V. V. Kravchenko %T On the decomposition into a direct sum of the kernel of the Laplace operator by means of biquaternion zero divisors %J Differencialʹnye uravneniâ %D 1995 %P 498-501 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_3_a14/ %G ru %F DE_1995_31_3_a14