<https://asep.lib.cas.cz/arl-cav/cs/detail-cav_un_epca-0410289-A-Subdifferential-Criterion-for-Calmness-of-Multifunctions/>
<http://schema.org/url>
<https://asep.lib.cas.cz/arl-cav/cs/detail/?&idx=cav_un_epca*0410289&iset=1&disprec=7>