@article{IVM_1991_4_a15,
     author = {A. E. Tralle},
     title = {Some generalized symmetric spaces of zero {Euler} characteristic},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {84--88},
     publisher = {mathdoc},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_4_a15/}
}