Professor Alberto Tesei

Instituto Applicazioni Calclol
"M.Picone"
CNR, Roma

address: Viale Policlinico 137
I-00161 Roma
Italy

fax: 0039-6-4404306
e-mail:   tesei@vaxiac.iac.rm.cmr.it

visited St.Peterburg from 30 April to 4 May 1996
and gave the talk at the O.A.Laduzhenskay's seminar  
on May, 3, 1996:
 
"The Porous Medium Equation in Exterior Domain"