Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Atsufumi Honda and Miyuki Koiso and Masatoshi Kokubu and Masaaki Umehara and Kotaro Yamada,Mixed type surfaces with bounded mean curvature in 3-dimensional space-times,Differential Geometry and its Applications,0926-2245,Elsevier BV,2017-06,52,,64-77,https://cir.nii.ac.jp/crid/1360004232097520896,https://doi.org/10.1016/j.difgeo.2017.03.009