TY - JOUR AU - N. A. Kudryashov TI - Nonlinear fourth-order differential equations with solutions in the form of transcendents JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2000 SP - 72 EP - 87 VL - 122 IS - 1 UR - http://geodesic.mathdoc.fr/item/TMF_2000_122_1_a6/ LA - ru ID - TMF_2000_122_1_a6 ER -