Redirect Notice
The previous page is sending you to
https://www.sciencedirect.com/science/article/pii/S0367253017300270/pdf?md5=a4fd2e399a6c0dd10e18337006283752&pid=1-s2.0-S0367253017300270-main.pdf
.
If you do not want to visit that page, you can
return to the previous page
.