@article{IIGUM_2015_14_a2,
     author = {A. S. Buldaev},
     title = {Problems and methods of the fixed points of the maximum principle},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {31--41},
     year = {2015},
     volume = {14},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2015_14_a2/}
}