APA

Tripathi Satya Prakash, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Tej Bahadur Singh Gu & University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1999). Cohomology algebra of orbit spaces under free actions and hopficity of the ploynomial rings. : .

Chicago

Tripathi Satya Prakash, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Tej Bahadur Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. 1999. Cohomology algebra of orbit spaces under free actions and hopficity of the ploynomial rings. : .

Harvard

Tripathi Satya Prakash, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Tej Bahadur Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1999). Cohomology algebra of orbit spaces under free actions and hopficity of the ploynomial rings. : .

MLA

Tripathi Satya Prakash, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Tej Bahadur Singh Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. Cohomology algebra of orbit spaces under free actions and hopficity of the ploynomial rings. : . 1999.