@Article{ RODRÍGUEZ_DEL:709-721,

author = { ANTONIO M. RODRÍGUEZ GARZÓN and AURORA INÉS DEL RÍO CABEZA } ,

title = { THE WHITEHEAD CATEGORICAL GROUP OF DERIVATIONS },

journal = { GEORGIAN MATHEMATICAL JOURNAL },

year = { 2002 },

issn = { 1072-947X },

pages = { 709-721 },

}