?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Gryshchuk%2C+S.V.&rft.aulast=Gryshchuk&rft.aufirst=S.V.&rft.date=%D0%A7%D0%B5%D1%80%D0%B2%D0%B5%D0%BD%D1%8C+2017&rft.title=A+Schwartz-type+boundary+value+problem+for+biharmonic+functions&rft.genre=proceeding