@article{FPM_2016_21_6_a7,
     author = {O. I. Mokhov},
     title = {On metrics of diagonal curvature},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {171--182},
     publisher = {mathdoc},
     volume = {21},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2016_21_6_a7/}
}