TY - JOUR AU - V. S. Vladimirov TI - On the spectrum of some pseudodifferential operators over the field of $p$-adic numbers JO - Algebra i analiz PY - 1990 SP - 107 EP - 124 VL - 2 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1990_2_6_a6/ LA - ru ID - AA_1990_2_6_a6 ER -