Errata to the papers : “Connections between B 2,χ for even quadratic Dirichlet characters χ” and “Class numbers of appropriate imaginary quadratic fields, parts I and II”
Compositio Mathematica, Tome 77 (1991) no. 1, p. 119-125
@article{CM_1991__77_1_119_0,
     author = {Urbanowicz, Jerzy},
     title = {Errata to the papers : ``Connections between $B\_{2,\chi }$ for even quadratic Dirichlet characters $\chi $'' and ``Class numbers of appropriate imaginary quadratic fields, parts I and II''},
     journal = {Compositio Mathematica},
     publisher = {Kluwer Academic Publishers},
     volume = {77},
     number = {1},
     year = {1991},
     pages = {119-125},
     zbl = {0706.11059},
     language = {en},
     url = {http://www.numdam.org/item/CM_1991__77_1_119_0}
}
Urbanowicz, Jerzy. Errata to the papers : “Connections between $B_{2,\chi }$ for even quadratic Dirichlet characters $\chi $” and “Class numbers of appropriate imaginary quadratic fields, parts I and II”. Compositio Mathematica, Tome 77 (1991) no. 1, pp. 119-125. http://www.numdam.org/item/CM_1991__77_1_119_0/