@article{10_4064_am_4_4_281_299,
     author = {J. Battek},
     title = {O wska\'znikach rozwoju drzewostan\'ow},
     journal = {Applicationes Mathematicae},
     pages = {281--299},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1959},
     doi = {10.4064/am-4-4-281-299},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-4-4-281-299/}
}