@article{CM_1991__77_1_119_0,
     author = {Urbanowicz, Jerzy},
     title = {Errata to the papers : {{\textquotedblleft}Connections} between $B_{2,\chi }$ for even quadratic {Dirichlet} characters $\chi ${\textquotedblright} and {{\textquotedblleft}Class} numbers of appropriate imaginary quadratic fields, parts {I} and {II{\textquotedblright}}},
     journal = {Compositio Mathematica},
     pages = {119--125},
     publisher = {Kluwer Academic Publishers},
     volume = {77},
     number = {1},
     year = {1991},
     zbl = {0706.11059},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1991__77_1_119_0/}
}