Math Lecture Series by Prof. Adolfo Obiang Biko
Department of Mathematics, St. Francis College
Brooklyn, New York.
Copyright © 1990.
United States Library of Congress Reg. #: PAU001415642.
All rights reserved. No part of this publication may be reproduced, stored in an archive or retrieval system, or transmitted in any form or by any process -electronic, mechanical, photocopying, recording or otherwise- without the prior written permission of the copyright owners & Obiang, Inc. [Esila Doris James Obiang, Jada Akiva Obiang Kiadii, Sydney Malee Obiang and Dr. Adolfo Obiang Biko].