[1] NEUBRUNNOVÁ A.:
On quasicontinuous and cliquish functions. Čas. pěst. mat. 99, 1974, 109-114.
MR 0360948
[2] NEUBRUNN T., NÁTHER O.:
On a characterization of quasicontinuous multifunctions. Čas. pěst. mat. 107, 1982, 294-300.
MR 0673055 |
Zbl 0532.54016
[3] KURATOWSKI C.: Topologoe I. Warszawa 1952.
[4] KURATOWSKI C.: Topologie II. Warszawa 1952.
[5] KURATOWSKI K., MOSTOWSKI A.:
Teoria mnogosci. Warszawa 1978.
MR 0514701