@article{IVM_1992_11_a5,
     author = {A. M. Kytmanov and B. B. Prenov and N. N. Tarkhanov},
     title = {The {Poincar\'e{\textendash}Bertrand} formula for the {Martinelli{\textendash}Bochner} integral},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--34},
     year = {1992},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1992_11_a5/}
}