@ARTICLE {, title = {Topologital Degree Approach to Bifurcation Problems by Michal Fečkan (Springer-Verlag Heildelberg 2008, ISBN 978-1-4020-8723-3)}, author = {Duchoň, Miloslav}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2010}, volume = {39}, number = {1}, pages = {69--72}, issn = {1335-4981}, note = {Recenzia}, }