@article{DA_2012_19_5_a2,
     author = {N. Yu. Zolotykh and A. Yu. Chirkov},
     title = {On an upper bound for the cardinality of a~minimal teaching set of a~threshold function},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {35--46},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2012_19_5_a2/}
}