%0 Journal Article %A V. I. Kolomytsev %T Analytic continuation of functions defined on subgroups of the complex Lorentz group %J Teoretičeskaâ i matematičeskaâ fizika %D 1972 %P 321-326 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1972_13_3_a2/ %G ru %F TMF_1972_13_3_a2