On Principal n-Ideals of A Distributive Nearlattice /
Md. Sazuwar Raihan ;
- Rajshahi : Department of Mathermatics, University of Rajshahi, 2006
- iv, 112 Leaves : ill, ; 29 cm.
Thesis (Ph. D.) -- Department of Mathermatics, University of Rajshahi, 2006