TY - BOOK AU - Castillo, Enrique AU - Iglesias, Andrés AU - Ruiz-Cobo, Maria Reyes TI - Functional equations in applied sciences SN - 9780444517883 SN - 200406097 U1 - 515.75 CAS PY - 2005/// CY - Amsterdam PB - Elsevier KW - Functional equations N1 - Includes bibliographical references (p. 377-386) and index ER -