@article{UZERU_2005_3_a8,
     author = {N. V. Shirvanyan and V. L. Shirvanyan},
     title = {On presentation of the group $7.7$ from {Kourov} notebook},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {141--142},
     publisher = {mathdoc},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2005_3_a8/}
}