@article{article069b98d5,
title   = {The theory of figures of Clairaut with focus on the gravitational modulus: inequalities and an improvement in the Darwin–Radau equation},
author = {Ragazzo, Clodoaldo Grotta},
year = {2020},
doi = {10.1007/s40863-019-00162-3},
journal   = {São Paulo Journal of Mathematical Sciences}
}