First Name =Ricardas Last Name =Kudzma Title =Doc. dr Institution =Vilnius University Street Address =Naugarduko 24 City =Vilnius State =Lithuania Zip Code =LT-03225 Telephone =370 5 2193089 FAX = E-mail =ricardas.kudzma@mif.vu.lt URL= Title of talk =Genesis of some mistakes at mathematical analysis course