TY - JOUR AU - S. V. Bolotin TI - Nonintegrability of the problem of $n$ centers for $n>2$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1984 SP - 65 EP - 68 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1984_3_a13/ LA - ru ID - VMUMM_1984_3_a13 ER -