Friedlander, J. General investigation of the convergence of trigonometric series into which arbitrary functions are expanded and some new applications of the same / by Julius Friedlander; J. Friedlander .— : [Б.и.], 1853 .— 31 с. — Lang: eng .— URL: https://rucont.ru/efd/89475 (дата обращения: 19.06.2024)