Gérard Viennot (1971/1972)

Séminaire Dubreil. Algèbre et théorie des nombres

Kirillov, A.A. (2000)

Electronic Research Announcements of the American Mathematical Society [electronic only]

Svobodová, Milena (2008)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Fedorchuk, V.M., Fedorchuk, V.I. (2006)

Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica