@article{ZNSL_2006_340_a5,
     author = {I. N. Ponomarenko and A. Rahnamai Barghi},
     title = {On amorphic $C$-algebras},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {87--102},
     publisher = {mathdoc},
     volume = {340},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_340_a5/}
}