Matrix Factorization Over GF(2) and Trace-Orthogonal Bases of GF(2^n).

Abraham Lempel Matrix Factorization Over GF(2) and Trace-Orthogonal Bases of GF(2^n). 175-186 1975 4 SIAM J. Comput. 2 db/journals/siamcomp/siamcomp4.html#Lempel75