TY  - BOOK
AU  - Janusz Brzd?k, Krzysztof Ciepli?ski, Themistocles M. Rassias
TI  - Developments in Functional Equations and Related Topics 
SN  - 9783319617329
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-319-61732-9
ER  -