@article{ZNSL_1979_92_a6,
     author = {E. M. Dyn'kin},
     title = {On the smoothness of {Cauchy} type integrals},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {115--133},
     publisher = {mathdoc},
     volume = {92},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_92_a6/}
}