@misc{indiciae4b655c6d16e6, title = {Darboux problem for a polyvibrating equation: solution as an f-equation.}, author = {D Mangeron and M N Oguztöreli}, year = {1970}, doi = {10.1073/pnas.67.3.1488}, url = {https://pubmed.ncbi.nlm.nih.gov/16591883/}, note = {Source identifier: 16591883} }