A. A. Perfilyev, “Degree-one maps of Seifert manifolds into the Poincaré homology sphere”, J Math Sci, 144, no. 5, 2007, 4484
ÐORÐE B. BARALIĆ, “ON INTEGERS OCCURRING AS THE MAPPING DEGREE BETWEEN QUASITORIC 4-MANIFOLDS”, J. Aust. Math. Soc., 103, no. 3, 2017, 289
A. A. Perfilyev, “Solution of the problem of describing minimal Seifert manifolds”, Sib Math J, 48, no. 1, 2007, 126
Anne Bauval, Claude Hayat, “Lʼanneau de cohomologie des variétés de Seifert”, Comptes Rendus. Mathématique, 351, no. 3-4, 2013, 81