By Hassi S.   Sebestyén Z.   Snoo H.   Szafraniec F.   in Acta Mathematica Hungarica

ISSN:0236-5294|115|4|281-307

Springer Publishing Company ‎(2007)‎

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By Beckers J.   Debergh N.   Szafraniec F.H.   in International Journal of Theoretical Physics

ISSN:0020-7748|39|6|1515-1527

Springer Publishing Company ‎(2000)‎

Access to resources Favorite 2.4849937