@article{MZM_1980_27_5_a7,
     author = {I. K. Babenko},
     title = {Analytical properties of {Poincar\'e} series of a loop space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {751--765},
     publisher = {mathdoc},
     volume = {27},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a7/}
}