Acta Mathematica Academiae Scientiarum Hungaricae 48. (1986)

1986 / 1-2. szám

ACTA MATHEMATICA HUNGARICA Acta Mathematica publishes papers on mathematics in English, German, French and Russian Acta Mathematica is published in two volumes of four issues a year by AKADÉMIAI KIADÓ Publishing House of the Hungarian Academy of Sciences H-1054 Budapest, Allkotmány u. 21. Manuscripts and editorial correspondence should be addressed to Acta Mathematica, H-1364 Budapest, P.O.B. 127 Orders may be placed with KULTURA Foreign Trading Company H-1389 Budapest P.O. Box 149 or with its representatives abroad. Acta Mathematica is indexed in Current Contents.