@article{ZNSL_1971_22_a1,
     author = {S. A. Vinogradov and N. A. Shirokov},
     title = {On the factorization of analytic functions with the derivative in~$H^p$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {8--27},
     publisher = {mathdoc},
     volume = {22},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1971_22_a1/}
}