Measure of noninvertibility of minimal maps

Measure of noninvertibility of minimal maps = Miera neinvertovateľnosti minimálnych zobrazení / Tomasz Downarowicz, Peter Maličký, Ľubomír Snoha, Vladimír Špitalský

In Journal of Mathematical Analysis and Applications. -- San Diego : Academic Press, 2006. -- ISSN 0022-247X. -- ISSN 1096-0813. -- Vol. 317, no. 2 (2006), pp. 714-723