00387nam a2200133Ia 450000100060000000800410000608200140004710000200006124500690008126000490015030000110019965000120021065000310022214824190219s1970    xxu    gr     000 0 spa d0 a515bS2241 aSeeley Robert T10aCalculus of several variables an introduction /cSeeley Robert T  aAtlanta :bScott foresman and company,c1970  a295 p.14aCALCULO24aCALCULO,VECTORES,VARIABLES