@article{JaentschiL78
,year = "2020"
,journal = "Mathematics"
,title = "On derivative free multiple-root finders with optimal fourth order convergence"
,author = "Sharma, Janak R. and Kumar, Sunil and Jäntschi, Lorentz"
,volume = "8"
,number = "7"
,pages = "1091"
,ISSN = "2227-7390"
,doi = "10.3390/math8071091"
,url = "http://lori.academicdirect.org/pdfs/400/322.pdf"
}