Periodic Cosmological Evolutions of Equation of State for Dark Energy. - Kazuharu Bamba; Ujjal Debnath; Kuralay Yesmakhanova; Petr Tsyba; Gulgasyl Nugmanova; Ratbay Myrzakulov (Entropy, 2012)

Integrable (2 + 1)-Dimensional Spin Models with Self-Consistent Potentials. - Ratbay Myrzakulov; Galya Mamyrbekova; Gulgasyl Nugmanova; Muthusamy Lakshmanan (Symmetry, 2015)

Surfaces and Curves Induced by Nonlinear Schrödinger-Type Equations and Their Spin Systems. - Akbota Myrzakul; Gulgasyl Nugmanova; Nurzhan Serikbayev; Ratbay Myrzakulov (Symmetry, 2021)