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- Multi-dimensional Darboux type differential systems with quadratic nonlinearities.
Buletinul Academiei de Ştiinţe a Republicii Moldova, Matematica Nr.1(53), 2007, p.95-100 - Lie algebras of operators and invariant GL(2,R)-integrals for Darboux type differential systems.
Buletinul Academiei de Ştiinţe a Republicii Moldova, Matematica Nr.3(52), 2006, p.3-16(coautor M.N.Popa) - Lie algebras for n-dinensional (n=3,4,5) affine differential factorsystems.
ROMAI Journal, v.1, Nr.1,2005, p. 51-56 (coautori N.Gherstega, M.Popa, E.Staruş)
