@article{RM_1999_54_3_a17, author = {D. Repov\v{s} and A. B. Skopenkov}, title = {Obstructions for {Seifert} fibrations and an extension of the {Bolsinov--Fomenko} theorem on integrable {Hamiltonian} systems}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {652--653}, publisher = {mathdoc}, volume = {54}, number = {3}, year = {1999}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_1999_54_3_a17/} }