@article{700688,
     title = {Regularity: A generalization of equicontinuity},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Society of Czechoslovak Mathematicians and Physicist},
     address = {Praha},
     year = {1977},
     pages = {[223]-227},
     mrnumber = {MR0467662},
     zbl = {0371.54034},
     url = {http://dml.mathdoc.fr/item/700688}
}

Kaul, Saroop K. Regularity: A generalization of equicontinuity, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [223]-227. http://gdmltest.u-ga.fr/item/700688/