For citations:
Gorbachev V.I. Problems on eigenvalues for ordinary differential equations of the second order with variable coefficients. Chebyshevskii Sbornik. 2021;22(3):353-367. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-3-353-367
Gorbachev V.I. Problems on eigenvalues for ordinary differential equations of the second order with variable coefficients. Chebyshevskii Sbornik. 2021;22(3):353-367. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-3-353-367