@article{PFMT_2011_4_a7,
     author = {A. F. Konstantinova and T. G. Golovina and E. A. Evdischenko and B. V. Nabatov and K. K. Konstantinov},
     title = {Monoclinic optically active absorbing crystals of class 2},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {38--44},
     publisher = {mathdoc},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2011_4_a7/}
}