Optimal time-fixed impulsive non-Keplerian orbit to orbit transfer algorithm based on primer vector theory. - Giordana Bucchioni; Gabriele Gemignani; Francesco Lombardi; Andrea Bellome; João Pedro Fernandes Leitão; Stéphanie Lizy-Destrez; Mario Innocenti (Commun. Nonlinear Sci. Numer. Simul., 2023)