@article{MZM_1969_5_4_a6,
     author = {G. Ts. Tumarkin},
     title = {Conditions of convergence of boundary values of {Cauchy} type integrals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {441--448},
     year = {1969},
     volume = {5},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_4_a6/}
}