TY - JOUR AU - A. N. Bogdanov TI - Asymptotic laws of the propagation of weak non-linear waves JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1985 SP - 70 EP - 73 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a11/ LA - ru ID - VMUMM_1985_6_a11 ER -