TY - JOUR AU - L. G. Zastavenko TI - Energy of a system of many bosons coupled by gravitational forces JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1973 SP - 307 EP - 310 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1973_15_3_a1/ LA - ru ID - TMF_1973_15_3_a1 ER -