@article{FPM_2016_21_6_a2,
     author = {P. M. Akhmet'ev and F. Yu. Popelenskii},
     title = {Local coefficients and the {Herbert} formula},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {79--91},
     publisher = {mathdoc},
     volume = {21},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2016_21_6_a2/}
}