@article{ZVMMF_2011_51_2_a0,
     author = {I. A. Kondrakov and A. A. Shananin},
     title = {Idempotent analogs of theorems on nonnegative matrices and their applications to the analysis of economic information},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {188--205},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_2_a0/}
}