TY - JOUR AU - Pulov, Vladimir AU - Chacarov, Edy AU - Uzunov, Ivan TI - A Computer Algebra Application to Determination of Lie Symmetries of Partial Differential Equations JO - Serdica Journal of Computing PY - 2007 SP - 505 EP - 518 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJC_2007_1_4_a7/ LA - en ID - SJC_2007_1_4_a7 ER -