@article{IM2_1967_1_1_a8,
     author = {E. D. Solomentsev},
     title = {Harmonic functions representable by integrals of {Green} {type.~I}},
     journal = {Izvestiya. Mathematics},
     pages = {139--149},
     year = {1967},
     volume = {1},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_1_a8/}
}