... Operator% latex2html id marker 392 \setcounter{footnote}{1}\fnsymbol{footnote}
This work is partially supported by a grant in aid of JSPS. 
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.