Journal of the Franklin Institute. Engineering and Applied Mathematics (J. Franklin Inst.) (20210101), 358, no.~8, 4483-4502. ISSN: 0016-0032 (print).eISSN: 1879-2693.
Journal of the Franklin Institute. Engineering and Applied Mathematics (J. Franklin Inst.) (20200101), 357, no.~7, 4187-4211. ISSN: 0016-0032 (print).eISSN: 1879-2693.