c(
    person("Roger", "Koenker",  role = c("cre","aut"), email =  "rkoenker@uiuc.edu"),
    person(c("Pin", "Tian"), "Ng",  role = c("ctb"),
        comment = "Contributions to Sparse QR code", email =  "pin.ng@nau.edu"),
    person("Yousef", "Saad",  role = c("ctb"),
        comment = "author of sparskit2"),
    person("Ben", "Shaby", role = c("ctb"),
	comment = "author of chol2csr"))
Roger Koenker [cre, aut],
  Pin Tian Ng [ctb] (Contributions to Sparse QR code),
  Yousef Saad [ctb] (author of sparskit2),
  Ben Shaby [ctb] (author of chol2csr)
Some basic linear algebra functionality for sparse matrices is
  provided:  including Cholesky decomposition and backsolving as well as 
  standard R subsetting and Kronecker products.