@article{10_21136_AM_2020_0342_19, author = {Giscard, Pierre-Louis and Pozza, Stefano}, title = {Lanczos-like algorithm for the time-ordered exponential: {The} $\ast $-inverse problem}, journal = {Applications of Mathematics}, pages = {807--827}, publisher = {mathdoc}, volume = {65}, number = {6}, year = {2020}, doi = {10.21136/AM.2020.0342-19}, mrnumber = {4191370}, zbl = {07285958}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2020.0342-19/} }