@article{DAN_1995_341_5_a7,
     author = {V. V. Kravchenko},
     title = {Quaternion-valued integral representations of harmonic},
     journal = {Doklady Akademii Nauk},
     pages = {603--605},
     publisher = {mathdoc},
     volume = {341},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_341_5_a7/}
}