%0 Journal Article %A A. N. Tyurin %T Periods and principal parts of quadratic differentials on a~rigged Riemann surface %J Izvestiya. Mathematics %D 1977 %P 1359-1375 %V 11 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1977_11_6_a8/ %G en %F IM2_1977_11_6_a8