TY - JOUR AU - Victor L. Shapiro TI - One-sided conditions for quasilinear Jacobi differential equations JO - Colloquium Mathematicum PY - 1990 SP - 261 EP - 273 VL - 60 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-60-61-1-261-273/ DO - 10.4064/cm-60-61-1-261-273 LA - en ID - 10_4064_cm_60_61_1_261_273 ER -