@article{RM_1993_48_4_a6,
     author = {R. N. Ganikhodzhaev},
     title = {On the definition of bistochastic quadratic operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {244--246},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1993_48_4_a6/}
}