@article{JSFU_2010_3_2_a9,
     author = {Barlikbay B. Prenov},
     title = {On analogues of {Laurent} series for harmonic functions},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {244--247},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2010_3_2_a9/}
}