MÁLISHEV KRASNOVA, Mijaíl; 						CANALES GUERRERO, Pedro.
 History and Reduction of the Time in the Present.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 7, n. 1, p. 81-88, mar. 2015.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/7953" target="_new">https://cienciaergosum.uaemex.mx/article/view/7953</a>&gt;. Date accessed: 19 aug. 2026.