@article{10_21136_CMJ_1971_101023,
     author = {R\'ab, Milo\v{s}},
     title = {Equation $Z'=A(t)-Z^2$ coefficient of which has a small modulus},
     journal = {Czechoslovak Mathematical Journal},
     pages = {311--317},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1971},
     doi = {10.21136/CMJ.1971.101023},
     mrnumber = {0287096},
     zbl = {0223.34026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101023/}
}