@article{MZM_1998_63_5_a2,
     author = {Ya. B. Vorobets and A. M. Stepin},
     title = {Isospectrality and {Galois} projective geometries},
     journal = {Matemati\v{c}eskie zametki},
     pages = {660--664},
     publisher = {mathdoc},
     volume = {63},
     number = {5},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_5_a2/}
}