TY - BOOK AU - Rose,D.J & Willoughby,R.A (eds) ED - Willoughby, R.A TI - Sparse matrices & their applications T2 - IBM research symposia series SN - 0806305879 U1 - 11.14 PY - 1972/// CY - New York PB - Plenum Press N1 - Procs. symp, Sept.9-10, 1971, Yorktown Heights, New York ER -