Preface
Jarník's note of the lecture course Punktmengen und reelle Funktionen by P. S. Aleksandrov (Göttingen 1928), GDML_Books, (2010), p. 3-4 / Harvested from
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@inbook{401000,
     title = {Preface},
     booktitle = {Jarn\'\i k's note of the lecture course Punktmengen und reelle Funktionen by P. S. Aleksandrov (G\"ottingen 1928)},
     series = {GDML\_Books},
     publisher = {Matfyzpress},
     address = {Praha},
     year = {2010},
     pages = {3-4},
     url = {http://dml.mathdoc.fr/item/401000}
}

 (éd.). Preface, dans Jarník's note of the lecture course Punktmengen und reelle Funktionen by P. S. Aleksandrov (Göttingen 1928), GDML_Books,  (2010), pp. 3-4. http://gdmltest.u-ga.fr/item/401000/