000
00267nam a2200109 4500
008
160616s 000 0
245
_a
Elements of approximation theory
100
_a
Nachbin, Leopoldo
500
_a
B434 K71
942
_c
BK
_2
BK3182
080
_a
517.518.8 NAC
999
_c
3182
_d
3182