Notes on semi-symmetric connections on spaces endowed with Weyl f -structures. Hirică, Elena Iulia — 1997 General Mathematics
On subprojective transformations. Hirică, Iulia Elena — 2006 Balkan Journal of Geometry and its Applications (BJGA)
Invariant operators on real and complex manifolds. Hirică, Iulia Elena — 1999 Balkan Journal of Geometry and its Applications (BJGA)
On some pseudo-symmetric Riemann spaces. Hirică, Iulia Elena — 2009 Balkan Journal of Geometry and its Applications (BJGA)
Some properties of a closed concircular almost contact manifold. Hirică, Iulia Elena; Mihai, Adela — 2004 Balkan Journal of Geometry and its Applications (BJGA)