@base .
a , , ;
, , ;
"Bulletin of the Hong Kong Mathematical Society." ;
;
;
"1026-2636" ;
;
"1026-2636" ;
;
"1026-2636" ;
"Bulletin of the Hong Kong Mathematical Society" , "Bulletin of the Hong Kong Mathematical Society." ;
.
a ;
.
.
a ;
"1026-2636" ;
.
"Netherlands" .
a ;
;
"20040609181900.0"^^ ;
;
.
a , ;
"Bulletin of the Hong Kong Mathematical Society" .
a .
a ;
"1026-2636" ;
.