%0 Journal Article %A V. I. Savrin %A N. B. Skachkov %A G. Yu. Tyumenkov %T Covariant three-dimensional equation for the wave function of the $\pi$-meson in the composite model of spinor quarks %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 173-182 %V 54 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1983_54_2_a1/ %G ru %F TMF_1983_54_2_a1