- Deepak KUMAR, Janak Raj SHARMA, Lorentz JÄNTSCHI, 2020. A novel family of efficient weighted-Newton multiple root iterations, Symmetry 12(9):1494 (13p). DOI: 10.3390/sym12091494.
- Sunil KUMAR, Deepak KUMAR, Janak Raj SHARMA, Lorentz JÄNTSCHI, 2020. A family of derivative free optimal fourth order methods for computing multiple roots, Symmetry 12(12):1969 (10p). DOI: 10.3390/sym12121969.
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