TY - JOUR AU - N. A. Akhramenko AU - L. M. Bulauko TI - Mass of massive spherical shell with regard to gravitational defect JO - Problemy fiziki, matematiki i tehniki PY - 2014 SP - 13 EP - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2014_3_a1/ LA - ru ID - PFMT_2014_3_a1 ER -