TY - JOUR AU - Jovan D. Kečkić TI - Additions To Kamke's Treatise VI: A Nonlinear Second Order Equation JO - Publications de l'Institut Mathématique PY - 1975 SP - 81 VL - _N_S_19 IS - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1975_N_S_19_33_a13/ ID - PIM_1975_N_S_19_33_a13 ER -