%0 Journal Article %A Nguyen Din Dang %A V. Yu. Ponomarev %T Influence of phonon interaction on the ground state of even-even spherical nuclei %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 154-160 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1983_57_1_a18/ %G ru %F TMF_1983_57_1_a18