ON NECESSARY SECOND-ORDER CONDITIONS IN OPTIMAL CONTROL PROBLEMS СтатьяArutyunov A.V., Vereshchagina Yu.S.Differential Equations. Том 38. 2002. С. 1531-1540
STABILITY OF A STATIONARY DOUBLE LAYER СтатьяTurikov V.A.Plasma Physics Reports. Том 28. 2002. С. 1024-1031