By Chin Angelina   Qua K.   in Acta Mathematica Hungarica

ISSN:0236-5294|132|1-2|113-116

Springer Publishing Company ‎(2011)‎

Access to resources Favorite 13.50074

By Chin Angelina Y. M.   in Czechoslovak Mathematical Journal

ISSN:0011-4642|52|4|749-755

Springer Publishing Company ‎(2002)‎

Access to resources Favorite 12.600719