TY - JOUR AU - Masa-Nori Ishida TI - The Irregularities of Hirzebruch's Examples of Surfaces of General Type with c21= 3c2 . JO - Mathematische Annalen PY - 1983 SP - 407 EP - 420 VL - 262 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1983__262_163714/ ID - MAN_1983__262_163714 ER -