Lychev Sergei Aleksandrovich Russia Institite for Problems in Mechanics, Russian Academy of Sciences, Russia, 119526, Moscow, pr. Vernadskogo, 101, block 1 Doctor of physico-mathematical scienceslychevsa@mail.ru Author's articles The equilibrium equations of shells in the coordinates of the general form Non-stationary vibration of growth circular cylindrical shell field, action, least action principle, field equations, transformation group, Lie group, infinitesimal generator, variation, varied domain, constraint.
