@article{JaentschiL61 ,year = "2019" ,journal = "Mathematics" ,title = "Convergence analysis and complex geometry of an efficient derivative-free iterative method" ,author = "Kumar, Deepak and Sharma, Janak R. and Jäntschi, Lorentz" ,volume = "7" ,number = "10" ,pages = "919" ,ISSN = "2227-7390" ,doi = "10.3390/math7100919" ,url = "http://lori.academicdirect.org/pdfs/400/319.pdf" }