《LOWER BOUNDS FOR HIGHER EIGENVALUES OF SECOND ORDER OPERATORS BY FINITE DIFFERENCE METHODS.》求取 ⇩

1957《LOWER BOUNDS FOR HIGHER EIGENVALUES OF SECOND ORDER OPERATORS BY FINITE DIFFERENCE METHODS.》由于是年代较久的资料都绝版了,几乎不可能购买到实物。如果大家为了学习确实需要,可向博主求助其电子版PDF文件(由H.F. WEINBERGLR 1957 DEPT. OF COMMERCE 出版的版本) 。对合法合规的求助,我会当即受理并将下载地址发送给你。