TY - JOUR AU - D. Willett TI - On the oscillation of ty" + p(t)y = 0 with ʃ p almost periodic JO - Annales Polonici Mathematici PY - 1973 SP - 335 EP - 339 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-28-3-335-339/ DO - 10.4064/ap-28-3-335-339 LA - en ID - 10_4064_ap_28_3_335_339 ER -