TY - JOUR AU - Bernardi, Enrico AU - Bove, Antonio TI - On an ODE Relevant for the General Theory of the Hyperbolic Cauchy Problem JO - Serdica Mathematical Journal PY - 2008 SP - 311 EP - 328 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2008_34_1_a11/ LA - en ID - SMJ2_2008_34_1_a11 ER -