@book{ Solr-EB000620749, title = {Stability Theory and the Existence of Periodic Solutions and Almost Periodic Solutions}, series = {Applied Mathematical Sciences}, author = {Yoshizawa, T.}, address = {New York, NY}, publisher = {Springer New York}, year = {1975}, edition = {1st ed. 1975}, pages = {233}, isbn = {9781461263760}, url = {https://doi.org/10.1007/978-1-4612-6376-0?nosfx=y} }