%0 Journal Article %A A. V. Bitsadze %T A class of exact solutions of the Lorentz-covariance equations %J Doklady Akademii Nauk %D 1984 %P 274-276 %V 277 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a2/ %G ru %F DAN_1984_277_2_a2