@article{EMJ_2012_3_2_a1,
     author = {S. Albeverio and Sh. A. Ayupov and A. A. Rakhimov and R. A. Dadakhodjaev},
     title = {Index theory for real factors},
     journal = {Eurasian mathematical journal},
     pages = {12--20},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2012_3_2_a1/}
}