Integrated optics for astronomical interferometry - I. Concept and astronomical applicationsF. Malbet, P. Kern, I. Schanen-Duport, J.-P. Berger, K. Rousselet-Perraut and P. BenechAstron. Astrophys. Suppl. Ser., 138 1 (1999) 135-145DOI: https://doi.org/10.1051/aas:1999496