A very large diversity space of synthetically accessible compounds for use with drug design programs. - Sergey Nikitin; Natalia Zaitseva; Olga Demina; Vera Solovieva; Evgeny Mazin; Sergey Mikhalev; Maxim Smolov; Anatoliy Rubinov; Peter Vlasov; Dmitry Lepikhin; Denis Khachko; Valery Fokin; et al. (J. Comput. Aided Mol. Des., 2005)

Pontryagin's principle of stabilization. - Sergey Nikitin (ACC, 2007)

Generalized Persistency of Excitation. - Sergey Nikitin (Int. J. Math. Math. Sci., 2007)