@Article{ CONDE_TORRES:1-11,

author = { FRANCISCO DE ASIS CONDE RODRIGUEZ and JUAN CARLOS TORRES CANTERO } ,

title = { A SIMPLE VALIDITY CONDITION FOR B-SPLINE HYPERPATCHES },

journal = { EUROGRAPHICS TECHNICAL REPORT SERIES },

year = { 2001 },

issn = { 1017-4656 },

pages = { 1-11 },

}