János Bolyai Mathematical Society and Springer-Verlag Berlin Heidelberg

Copyright Holders: János Bolyai Mathematical Society and Springer-Verlag Berlin Heidelberg

a

Self-archiving policy

Conditions

Accepted version:

                12 months embargo

Published version:

X

a

Remarks:

Follow Springer’s self-archiving policy.
(verified by Bo Siang via email)

Verification Date:

 16.10.2014