@article{MZM_2018_103_4_a7,
     author = {I. G. Lysenok},
     title = {An {Approach} to the {Study} of {Finitely} {Presented} {Groups} {Based} on the {Notion} of {Discrete} {Curvature}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {568--575},
     publisher = {mathdoc},
     volume = {103},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_103_4_a7/}
}