@article{IM2_1994_43_1_a7,
     author = {A. E. Polishchuk},
     title = {I.\,N.~Bernstein--I.\,M.~Gel'fand--S.\,I.~Gel'fand equivalence for triangulated categories generated by  helixes},
     journal = {Izvestiya. Mathematics },
     pages = {127--140},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1994_43_1_a7/}
}