BULLETIN of the POLISH ACADEMY of SCIENCES. MATHEMATICS.
Warsaw,31(1983)- 
Bull.Polish Acad.Sci.Math.
  ---> BG-8
31(1983)-35(1987).
 
ritorna alla lista             ISSN 0137-693X Publisher : Polish Academy of Sciences
formerly
Bull.Acad.Polon.Sci.Ser.Math.