@article{DAN_1977_237_5_a14,
     author = {M. M. Popov},
     title = {On a method of calculation of geometric divergence in the inhomogeneous
},
     journal = {Doklady Akademii Nauk},
     pages = {1059--1062},
     publisher = {mathdoc},
     volume = {237},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_237_5_a14/}
}