"This book depicts the state of the art of the regularisation theory in applications to Celestial Mechanics and Astrodynamics. [...] a precious resource for researchers working in the field of Celestial Mechanics and Astrodynamics." Ugo Locatelli in: Celestial Mechanics and Dynamical Astronomy (2018) 130: 69.https://doi.org/10.1007/s10569-018-9866-0
"Doubtlessly the monograph will be useful for graduate and postgraduate students and researches working in the area of celestial mechanics and astrodynamics." Sergei Georgievich Zhuravlev in: Zentralblatt MATH 1396.70003
Javier Roa, Technical University of Madrid, Spain.