@article{10_4153_CJM_2018_004_9,
     author = {Furuya, Jun and Minamide, T. Makoto and Tanigawa, Yoshio},
     title = {Titchmarsh{\textquoteright}s {Method} for the {Approximate} {Functional} {Equations} for $\unicode[STIX]{x1D701}^{\prime }(s)^{2}$, $\unicode[STIX]{x1D701}(s)\unicode[STIX]{x1D701}^{\prime \prime }(s)$, and $\unicode[STIX]{x1D701}^{\prime }(s)\unicode[STIX]{x1D701}^{\prime \prime }(s)$},
     journal = {Canadian journal of mathematics},
     pages = {1465--1493},
     year = {2019},
     volume = {71},
     number = {6},
     doi = {10.4153/CJM-2018-004-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2018-004-9/}
}