TY - JOUR AU - Erbe, Lynn TI - Disconjugacy Conditions for the Third Order Linear Differential Equation JO - Canadian mathematical bulletin PY - 1969 SP - 603 EP - 613 VL - 12 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-078-9/ DO - 10.4153/CMB-1969-078-9 ID - 10_4153_CMB_1969_078_9 ER -