Richard L. Burden, and J. Douglas Faires. The Prindle, Weber and Schmidt Series in Mathematics PWS-Kent Publishing Company, Boston, Fourth edition, (1989)
Richard L. Burden, and J. Douglas Faires. The Prindle, Weber and Schmidt Series in Mathematics PWS-Kent Publishing Company, Boston, Fourth edition, (1989)
Richard L. Burden, and J. Douglas Faires. The Prindle, Weber and Schmidt Series in Mathematics PWS-Kent Publishing Company, Boston, Fourth edition, (1989)
Richard L. Burden, and J. Douglas Faires. The Prindle, Weber and Schmidt Series in Mathematics PWS-Kent Publishing Company, Boston, Fourth edition, (1989)