@article{ARM_1988__24_2_a0,
     author = {\v{R}{\'\i}ha, Stanislav},
     title = {Hamiltonian lines in the square of graphs. {I.} {Hamiltonian} circuits in the square of cacti},
     journal = {Archivum mathematicum},
     pages = {45--56},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1988},
     mrnumber = {983222},
     zbl = {0666.05053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1988__24_2_a0/}
}