Bull. Korean Math. Soc. 2015; 52(2): 513-524
Printed March 31, 2015
https://doi.org/10.4134/BKMS.2015.52.2.513
Copyright © The Korean Mathematical Society.
Bernadette Faye, Florian Luca, and Amadou Tall
Km 2 route de Joal (Centre IRD Mbour), University of the Witwatersrand, Km 2 route de Joal (Centre IRD Mbour)
2016; 53(4): 1185-1196
2014; 51(5): 1369-1374
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