Bifurcation and symmetry in problems of capillary-gravity waves. Loginov, B.V. — 2001 Sibirskij Matematicheskij Zhurnal
Solutions with subgroup symmetry for singular equations in bifurcation theory. Loginov, B.V.; Makeev, O.V. — 2005 Lobachevskii Journal of Mathematics
Differential-algebraic equations in the theory of invariant manifolds for singular equations. Karasözen, B.; Konopleva, I.V.; Loginov, B.V. — 2005 Lobachevskii Journal of Mathematics