%0 Journal Article %T Comments on open string with massive boundary term %A Arkady A. Tseytlin %J - %D 2020 %R 10.1098/rspa.2019.0748 %X We discuss possible definition of open string path integral in the presence of additional boundary couplings corresponding to the presence of masses at the ends of the string. These couplings are n.. %U https://royalsocietypublishing.org/doi/10.1098/rspa.2019.0748