Morteza Esmaeili T. Aaron Gulliver Norman P. Secord The Minimal Generator Matrix of a Vector Space. 1-14 1999 10 Appl. Algebra Eng. Commun. Comput. 1 http://link.springer.de/link/service/journals/00200/bibs/9010001/90100001.htm db/journals/aaecc/aaecc10.html#EsmaeiliGS99