HENTOSH, O. E.; PRYKARPATSKYY, Ya. A.; BALINSKY, A. A.; PRYKARPATSKI, A. K. Geometric structures on the orbits of loop diffeomorphism groups and related “heavenly-type” hamiltonian systems. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 9, p. 1182–1200, 2022. DOI: 10.37863/umzh.v74i9.7234. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7234. Acesso em: 5 dec. 2025.