Peano Baker series convergence for matrix-valued functions of bounded variation. Prepeliţă, V.; Doroftei, M.; Vasilache, T. — 1998 Balkan Journal of Geometry and its Applications (BJGA)

Abstract linear dependence. Dogaru, O.; Doroftei, M.; Ţevy, I.; Dogaru, V. — 1998 Balkan Journal of Geometry and its Applications (BJGA)