@article{JGG_2018_22_1_JGG_2018_22_1_a7,
     author = {L. Romakina },
     title = {To the {Volumes} {Theory} of a {Hyperbolic} {Space} of {Positive} {Curvature}},
     journal = {Journal for geometry and graphics},
     pages = {67--86},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2018},
     url = {http://geodesic.mathdoc.fr/item/JGG_2018_22_1_JGG_2018_22_1_a7/}
}