%0 Journal Article %A V. Z. Baluni %T Radius of the $\pi$-meson and the proton and analytic properties of the form factor %J Teoretičeskaâ i matematičeskaâ fizika %D 1972 %P 19-32 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1972_10_1_a2/ %G ru %F TMF_1972_10_1_a2