00407nam a2200121Ia 4500082002000000100002300020245007500043260006000118300001600178490008100194500000500275700000500280  a511.3bSc345.LT  aSchlomiuk, Dana I.  aLogique des topos; introduction a' la theorie des topos elementairesb  aMontrealbLes Presses de L'Universite de Montrealc1977  a132p. Bibl.  aUniversity of Montreal, Seminar de Mathematiques superieures ETE 1974, v. 53  a  a