✓

@book{Ruiz_PowerSeries_2023,
    title = {The basic theory of power series},
    author = {Jesus M. Ruiz},
    year = {2023},
    edition = {3},
    volume = {},
    date-added = {2026-3-5 22:54:1 +0100}
}

@book{Ruiz_PowerSeries_2023, title = {The basic theory of power series}, author = {Jesus M. Ruiz}, year = {2023}, edition = {3}, volume = {}, date-added = {2026-3-5 22:54:1 +0100} }