TY - JOUR AU - F. Sharipov TI - Independence of the spectrum of an elliptic operator over a $C^*$-algebra JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1985 SP - 87 EP - 89 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1985_1_a20/ LA - ru ID - VMUMM_1985_1_a20 ER -