@incollection {MR1157200,
    AUTHOR = {Sonntag, Y. and Z{\u{a}}linescu, C.},
     TITLE = {Set convergences. {A}n attempt at classification},
 BOOKTITLE = {Differential equations and control theory ({I}a\c si, 1990)},
    SERIES = {Pitman Res. Notes Math. Ser.},
    VOLUME = {250},
     PAGES = {312--323},
 PUBLISHER = {Longman Sci. Tech.},
   ADDRESS = {Harlow},
      YEAR = {1991},
   MRCLASS = {49J45 (54A20)},
  MRNUMBER = {MR1157200 (93a:49008)},
MRREVIEWER = {T. Zolezzi},
}