TY - JOUR AU - Ricceri, Biagio TI - On the Cauchy problem for the differential equation f(t, x, x′, ..., x(k)) = 0 JO - Glasgow mathematical journal PY - 1991 SP - 343 EP - 348 VL - 33 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008405/ DO - 10.1017/S0017089500008405 ID - 10_1017_S0017089500008405 ER -