ON THE CONSTRUCTION OF AN APPROXIMATE SOLUTION FOR A HYPERSINGULAR INTEGRAL EQUATION OF THE SECOND KIND СтатьяMatveyeva A.Integral methods in science and engineering, Vol. 2 (Oulu, 1996). 1997. С. 160-164
NUMERICAL INVESTIGATION OF OPTIMAL POLICIES FOR THE CONTROL OF SERVICE RATE СтатьяVerbitskiĭ S.N., Rykov V.V.Avtomatika i Telemekhanika.