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On a successive approximation method of solving the Cauchy problem for systems of generalized ordinary differential equations. Kekelia, N. — 1997 Memoirs on Differential Equations and Mathematical Physics
On the ξ -exponentially asymptotic stability of linear systems of generalized ordinary differential equations. Ashordia, M.; Kekelia, N. — 2001 Georgian Mathematical Journal
On Lyapunov stability of linear systems of generalized ordinary differential equations. Ashordia, M.; Kekelia, N. — 2000 Memoirs on Differential Equations and Mathematical Physics