1.
Hatamian C, Prishlyak A. Heegaard diagrams and optimal Morse flows on non-orientable 3-manifolds of genus 1 and genus 2. PIGC [Internet]. 24Dec.2020 [cited 28Jun.2026];13(3):33-8. Available from: https://journals.ontu.edu.ua/index.php/geometry/article/view/1779