Text ( visual ) : unmediated Numerical invariants in homotopical algebra II : applications / by K. Varadarajan. -- Calgary, Alberta : University of Calgary, Department of Mathematics , 1973. -- 32 leaves ; 28 cm. -- (Research paper ; no. 189). -- Includes bibliographical references (leaf 32). -- (BB29552713) ; https://ci.nii.ac.jp/ncid/BB29552713 Author Heading(s): Varadarajan, Kalathoor