Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2003_33_2a_7, author = {S. Kalabu\v{s}i\'c and F. Vajzovi\'c}, title = {Exponential formula for one-time integred semigroups}, journal = {Novi Sad Journal of Mathematics}, pages = {77-88}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {2003}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2003_33_2a_7/} }
S. Kalabušić; F. Vajzović. Exponential formula for one-time integred semigroups. Novi Sad Journal of Mathematics, Tome 33 (2003) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_2003_33_2a_7/