TY - JOUR AU - Yu. A. Chirkunov TI - On the Symmetry Classification and Conservation Laws for Quasilinear Differential Equations of Second Order JO - Matematičeskie zametki PY - 2010 SP - 122 EP - 129 VL - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a12/ LA - ru ID - MZM_2010_87_1_a12 ER -