TY - JOUR AU - M. L. Gandarias TI - Nonlocal symmetries and reductions for some ordinary differential equations JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2009 SP - 428 EP - 437 VL - 159 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2009_159_3_a9/ LA - ru ID - TMF_2009_159_3_a9 ER -