TY - JOUR AU - D. Willett TI - Some Boundedness and Unboundedness Results for the Equation x'' + a(t) x2 n-1 = 0. JO - Monatshefte für Mathematik PY - 1967 SP - 461 EP - 465 VL - 71 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MOMA_1967__71_177403/ ID - MOMA_1967__71_177403 ER -