@article{JSFU_2012_5_1_a0,
     author = {Michael G. Sadovsky},
     title = {The simplest model of targeted migration},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {3--17},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2012_5_1_a0/}
}