MMA2009 P.Code=SytoS ===============------------------------------ First Name =Svetlana Last Name =Sytova Title =Dr. Institution =Research Institute for Nuclear Problems of Belarusian State University Street Address =Bobruiskaya 11 City =Minsk State =Republic of Belarus Zip Code =220030 Telephone =+375-17-2264739 FAX =+375-17-2265124 E-mail =sytova@inp.minsk.by URL = Title of talk and AMS Subject Classification=Some aspects of numerical investigation of Volume Free Electron Laser nonlinear stage