@article{10_21136_MB_1995_126004,
     author = {Kluck\'y, Dalibor},
     title = {Isotopic invariants of natural planar ternary rings},
     journal = {Mathematica Bohemica},
     pages = {325--335},
     publisher = {mathdoc},
     volume = {120},
     number = {3},
     year = {1995},
     doi = {10.21136/MB.1995.126004},
     mrnumber = {1369691},
     zbl = {0847.20064},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.126004/}
}