Kalam, A., & De, A. Some Theorems on 3-dimensional Quasi-Sasakian Manifolds. Tamsui Oxford Journal of Mathematical Sciences.
Cita Chicago (17th ed.)Kalam, Abul, i Avik De. "Some Theorems on 3-dimensional Quasi-Sasakian Manifolds." Tamsui Oxford Journal of Mathematical Sciences .
Cita MLA (9th ed.)Kalam, Abul, i Avik De. "Some Theorems on 3-dimensional Quasi-Sasakian Manifolds." Tamsui Oxford Journal of Mathematical Sciences, .
Atenció: Aquestes cites poden no estar 100% correctes.