Optimal approximations on Riemannian manifolds. Toda, M.; Udrişte, C. — 1999 Balkan Journal of Geometry and its Applications (BJGA)
Symmetry Lie group of the Monge-Ampère equation. Udrişte, C.; Bîlă, N. — 1998 Balkan Journal of Geometry and its Applications (BJGA)
Symmetry group of Ţiţeica surfaces PDE. Udrişte, C.; Bîlă, N. — 1999 Balkan Journal of Geometry and its Applications (BJGA)
Family of projective projections on tensors and connections. Udrişte, C.; Hirică, I.E. — 1997 Balkan Journal of Geometry and its Applications (BJGA)
Geometrical interpretation of solutions of certain PDEs. Udrişte, C.; Neagu, M. — 1999 Balkan Journal of Geometry and its Applications (BJGA)
Magnetic fields generated by piecewise rectilinear configurations. Udrişte, C.; Balan, V.; Udrişte, A. — 1999 APPS. Applied Sciences
Integrator for Lagrangian dynamics. Udrişte, C.; Postolache, M.; Ţevy, I. — 2001 Balkan Journal of Geometry and its Applications (BJGA)
Extrema with constraints on points and/or velocities. Udrişte, C.; Dogaru, O.; Ferrara, M.; Ţevy, I. — 2003 Balkan Journal of Geometry and its Applications (BJGA)