Chau, Huy N.
Runggaldier, Wolfgang J.
Tankov, Peter
Funding for this research was provided by:
Magyar Tudományos Akadémia (LP2015-6)
Article History
Received: 6 August 2016
Accepted: 25 April 2018
First Online: 5 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.