@Article{ Jimenez-Vargas_MENA_Navarro-Pascual:15-30,

author = { Antonio Jimenez-Vargas and JUAN FRANCISCO MENA JURADO and Juan Carlos Navarro-Pascual } ,

title = { APPROXIMATION BY EXTREME FUNCTIONS },

journal = { Journal of Approximation Theory },

year = { 1999 },

volume = { 97 },

pages = { 15-30 },

}