TY - JOUR AU - Cabrera, Francisco Martín TI - Almost hyper-Hermitian structures in bundle spaces over manifolds with almost contact $3$-structure JO - Czechoslovak Mathematical Journal PY - 1998 SP - 545 EP - 563 VL - 48 IS - 3 UR - http://geodesic.mathdoc.fr/item/CMJ_1998_48_3_a9/ LA - en ID - CMJ_1998_48_3_a9 ER -