@article{FAA_2002_36_4_a9,
     author = {P. E. Pushkar'},
     title = {On {Functions} {Whose} {All} {Critical} {Points} {Are} {Contained} in a {Ball}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {80--83},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2002_36_4_a9/}
}