@article{FPM_2012_17_5_a10,
     author = {P. P. Semenov},
     title = {Endomorphisms of semigroups of invertible nonnegative matrices over ordered rings},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {165--178},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_5_a10/}
}