Nonlinear Oscillations

An international mathematical journal

Article No. 662

N. V. Budnytska: Equivalence of closed 1-forms on closed nonoriented surfaces. Published in vol. 12 (2009), No. 2, pp. 155-167.

Available in

Entire volume 12

© Institute of Mathematics of the NAS of Ukraine. Last updated 26 January 2026 at 17:19. Contact address: nosc@imath.kiev.ua