AUTHOR=Kumar Devendra , Baleanu Dumitru TITLE=Editorial: Fractional Calculus and Its Applications in Physics JOURNAL=Frontiers in Physics VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2019.00081 DOI=10.3389/fphy.2019.00081 ISSN=2296-424X