TY - JOUR AU - A. E. Mironov TI - Relationship Between Symmetries of the Tzizeica Equation and the Novikov--Veselov Hierarchy JO - Matematičeskie zametki PY - 2007 SP - 637 EP - 640 VL - 82 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2007_82_4_a18/ LA - ru ID - MZM_2007_82_4_a18 ER -