@article{SEMR_2013_10_a40,
     author = {A. L. Gavrilyuk and I. Yu. Mogilnykh},
     title = {On the {Godsil--Higman} necessary condition for equitable partitions of association schemes},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {699--704},
     publisher = {mathdoc},
     volume = {10},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2013_10_a40/}
}