@article{VMUMM_2003_1_a5,
     author = {O. V. Kolpakova},
     title = {An analog of {Perron's} formula},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {23--25},
     publisher = {mathdoc},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2003_1_a5/}
}