Kandasamy WV, K. Ilanthenral, Florentin Smarandache. Modified Collatz conjecture or (3a + 1) + (3b + 1)I Conjecture for Neutrosophic Numbers 〈Z ∪ I〉 . Neutrosophic Sets Syst. [Internet]. 2016 Dec. 15 [cited 2024 Nov. 26];14:44-6. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/572