@article{Soto Montero_2018, title={On the multiplicative inverse eigenvalue problem}, volume={7}, url={https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/2584}, DOI={10.22199/S07160917.1988.0015.00001}, abstractNote={An important inverse eigenvalue problem is the problem of finding a density q(x) such that the operator <img src="/public/site/images/rvidal/su71.jpg" alt="" /> , with the appropriate boundary conditions, possesses o prescribed spectrum, that is, the inverse vibrating string problem.}, number={15}, journal={Proyecciones (Antofagasta, On line)}, author={Soto Montero, Ricardo Lorenzo}, year={2018}, month={Mar.}, pages={1-20} }