1. P. Bonnet, A proof of Miyanishi’s result for homogeneous locally nilpotent derivations on $$\mathbb{C}[x_{1},x_{2},x_{3}]$$ , unpublished note, 2004, 5 pages.
2. L.P. Bedratyuk, Surjectivity of quotient maps for algebraic $$(\mathbb{C},+)$$ -actions, Transform. Groups 7 (2002), 3–14.
3. S. Chakraborty, R. Gurjar, and M. Miyanishi, Factorially closed subrings of commutative rings, Algebra Number Theory 9 (2015), 1137–1158.
4. D. Daigle, Locally Nilpotent Derivations, Lecture Notes for the 26th Autumn School of Algebraic Geometry, Łukȩcin, Poland, September 2003. Avail. at http://aix1.uottawa.ca/~ddaigle/ .
5. P. C. Craighero, A necessary and sufficient condition for triangulability of derivations ofk[x, y, z], J. Pure Appl. Algebra 113 (1996), 297–305.