Acta Mathematica Academiae Scientiarum Hungaricae 60. (1992)
1992 / 1-2. szám
* ACTA MATHEMATICA HUNGARICA Acta Mathematica publishes papers on mathematics in English, German, French and Russian. Distributors: For Albania, Bulgaria, China, Cuba, Czech and Slovak Federal Republic, Hungary, Korean People’s Republic, Mongolia, Poland, Romania, successor states of the U.S.S.R., successor states of Yugoslavia, Vietnam AKADÉMIAI KIADÓ P.O. Box 254, 1519 Budapest, Hungary For all other countries KLUWER ACADEMIC PUBLISHERS P.O. Box 17, 3300 AA Dordrecht, Holland Publication programme: 1992: Volumes 59-60 (eight issues) Subscription price per volume: Dfl 206,- / US $ 105 (incl. postage) Acta Mathematica Hungarica is abstracted/indexed in Current Contents — Physical, Chemical and Earth Sciences, Mathematical Reviews, Zentralblatt für Mathematik. Copyright (с) 1992 by Akadémiai Kiadó, Budapest. Printed in Hungary.