TY - JOUR AU - V. N. Tulovskiǐ TI - Propagation of singularities of operators with characteristics of constant multiplicity JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1979 SP - 113 EP - 134 VL - 39 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1979_39_a3/ LA - ru ID - MMO_1979_39_a3 ER -