Byerly, W.E. An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics : with applications to problems in mathematical physics / by William Elwood Byerly; W.E. Byerly .— : Ginn and Company .— 294 с. — Lang: eng .— URL: https://rucont.ru/efd/100078 (дата обращения: 17.11.2025)