APA

Bhattarchaya Deb Das, University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research, Supervisors : Dr S M Sinha and Prof S S Srivastava & University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research. (1980). On some mathematical models for spares policy. : .

Chicago

Bhattarchaya Deb Das, University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research, Supervisors : Dr S M Sinha and Prof S S Srivastava and University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research. 1980. On some mathematical models for spares policy. : .

Harvard

Bhattarchaya Deb Das, University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research, Supervisors : Dr S M Sinha and Prof S S Srivastava and University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research. (1980). On some mathematical models for spares policy. : .

MLA

Bhattarchaya Deb Das, University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research, Supervisors : Dr S M Sinha and Prof S S Srivastava and University of Delhi. Faculty of Mathematical Sciences. Department of Operational Research. On some mathematical models for spares policy. : . 1980.