%0 Journal Article %A V. V. Kravchenko %A M. V. Shapiro %T On a generalized system of Cauchy--Riemann equations with a quaternion parameter %J Doklady Akademii Nauk %D 1993 %P 547-549 %V 329 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_329_5_a4/ %G ru %F DAN_1993_329_5_a4