INFLUENCE OF AN ELECTRON-BEAM INJECTION ON ION CHARGE STATE DISTRIBUTION IN AN ECR SOURCE AT 2.45 GHZ Article Dougar-Jabon V.D., Golovanivsky K.S., Kondratov B.A., Kushnarenko V.D. Review of Scientific Instruments. Vol. 63. 1992. P. 2867-2868
MAXIMUM PRINCIPLE AND SECOND-ORDER CONDITIONS FOR MINIMAX PROBLEMS OF OPTIMAL CONTROL Article Arutyunov A.V., Silin D.B., Zerkalov L.G. Journal of Optimization Theory and Applications. Kluwer Academic Publishers-Plenum Publishers. Vol. 75. 1992. P. 521-533