Reagor, Mary Evelyn Pensworth. <br/><br/>
A fuzzy version of tietze's extension theorem / 
Mary Evelyn Pensworth Reagor. 
 - Texas :  Texas Christian University,  1983. 
 - 75 p. ;  21 cm. 
<br/><br/>Thesis (Ph. D.) - Texas Christian University, 1983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy sets.<br/>Set theory.