Help: Citation index

[Nguyen Tien Zung <tienzung@darboux.math.univ-montp2.fr>]

Hi anh Tuan Pham et al

Ca'm o+n anh Tuan Pham chi? cho bie^'t la\ ca^\n xem citation
index dde^? tra so^' la^\n tri'ch da^~n ca'c ba\i ba'o hay ta'c gia?. 
Co' ca'ch na\o xem no' online ddu+o+.c kho^ng hay ca^\n
tra refrence book na\o ddo'? Trong tru+o+\ng ho+.p thu+' hai
thi\ ca'i sa'ch ddo' go.i la\ gi\. Xin lo^~i to^i ho?i ma^'y
ca^u ngo+' nga^?n va^.y vi\ o+? cho^~ to^i thu+ vie^.n kha'
to^\i, ngay Math. Reviews na(m 97 cu~ng kho^ng co' ma\ pha?i ddo+.i
sang na(m mo+'i co' CD-ROM ca'i ddo'.

Many thanks 

Cheers, Zung