@article{ZNSL_1998_250_a13,
     author = {V. V. Lukyanov and A. I. Nazarov},
     title = {Solving of {Vent'sel} boundary-value problem for {Laplace} and {Helmholtz} equations by iterated potentials},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {203--218},
     publisher = {mathdoc},
     volume = {250},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_250_a13/}
}