TY - JOUR AU - B. S. Kruglikov TI - Symplectic and Contact Lie Algebras with an Application to Monge--Amp\`ere Equations JO - Informatics and Automation PY - 1998 SP - 232 EP - 246 VL - 221 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a13/ LA - ru ID - TRSPY_1998_221_a13 ER -