This he did, again getting a job as a secondary school teacher and in 1913 he was also appointed as a dozent in "functions of a real variable" at Budapest University.
Siya na ito ay, muli pagkuha ng trabaho bilang isang sekundaryong paaralan guro at sa 1913 ay siya ring hinirang bilang isang dozent sa "pag-andar ng isang tunay na variable na" sa Budapest University.