V. M. Dubovik

Discrete algorithms for symbolic computing of topological phases and observables in interferometric systems

Vladimir L. Derbov, Sergey I. Vinitsky, Alexander Gusev, 2005, Saratov Fall Meeting.

Toroid moments in electrodynamics and solid-state physics

V. M. Dubovik, V. V. Tugushev, V. Dubovik, 1990 .