Bulletin of the Malaysian Mathematical Sciences Society
Bulletin of the Malaysian Mathematical Sciences Society > 2018 > 41 > 1 > 491-505
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 4 > 1813-1830
Bulletin of the Malaysian Mathematical Sciences Society > 2018 > 41 > 1 > 491-505
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 4 > 1813-1830