Source: https://www.researchgate.net/profile/Eric-Thiebaut/publication/30513881_Imagerie_astrophysique_a_la_limite_de_diffraction_des_grands_telescopes_Application_a_l'observation_des_objets_froids/links/586d338008ae6eb871bce11c/Imagerie-astrophysique-a-la-limite-de-diffraction-des-grands-telescopes-Application-a-lobservation-des-objets-froids.pdf