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Suryanarayana, D., Subrahmanyam, P. The maximalk-free divisor ofm which is prime ton. II. Acta Mathematica Academiae Scientiarum Hungaricae 33, 239–260 (1979). https://doi.org/10.1007/BF01902559
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DOI: https://doi.org/10.1007/BF01902559