- Centre National de la Recherche ScientifiqueFR1 paper
- City College of San FranciscoUS1 paper
- Independent University of MoscowRU1 paper
- Laboratoire de Mathématiques de ReimsFR1 paper
- Pennsylvania State UniversityUS1 paper
- Université de Reims Champagne-ArdenneFR1 paper
- University of California, DavisUS1 paper
- University of PecsHU1 paper
- University of PennsylvaniaUS1 paper
- University of Southern CaliforniaUS1 paper
- University of TorontoCA1 paper
1 paper