TY - JOUR AU - R. V. Khokhlov TI - I.\,G.~Petrovskii and the University of Moscow JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1974 SP - 6 EP - 9 VL - 29 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1974_29_2_a1/ LA - en ID - RM_1974_29_2_a1 ER -