TY - JOUR AU - Gary G. Gundersen TI - On the real zeros of solutions of f'' + A(z)f = 0 where A(z) is entire JO - Annales Fennici Mathematici PY - 1986 SP - 275 EP - 294 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1986.1105/ DO - 10.5186/aasfm.1986.1105 LA - en ID - AFM_1986_11_2_a9 ER -