MMA2009 P.Code=SmirS ===============------------------------------ First Name =Sergey Last Name =Smirnov Title =MMath Institution =Daugavpils University Street Address =Parades 1 City =Daugavpils State =Latvia Zip Code =LV-5400 Telephone =20096021 FAX = E-mail =sergej.lv@mail.ru URL = Title of talk and AMS Subject Classification=On the theory of the 3rd order odinary differential equations