Minc, Henryk.
Encyclopedia of Mathematics and its Applications Vol-6 / - First Ed.. / - London : Addison-Wesley Publishing Company. - p.205,xii :
0-201-13505-1
B245 / L8
Encyclopedia of Mathematics and its Applications Vol-6 / - First Ed.. / - London : Addison-Wesley Publishing Company. - p.205,xii :
0-201-13505-1
B245 / L8