%0 Journal Article %A Yu. G. Evtushenko %A A. A. Tret'yakov %T A new class of Lyapunov functions for stability analysis of singular dynamical systems. Elements of $p$-regularity theory %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2021 %P 8-12 %V 499 %I mathdoc %U http://geodesic.mathdoc.fr/item/DANMA_2021_499_a1/ %G ru %F DANMA_2021_499_a1