TY - BOOK AU - Lorentz,G.G.,et al ED - Jetter, K ED - Riemenschneider, S.D TI - Birkhoff interpolation T2 - Encyclopedia of mathematics & its applications 19 SN - 0201135183 U1 - 11.09 PY - 1983/// CY - Reading PB - Addison-Wesley ER -