ESTONIAN ACADEMY
PUBLISHERS
eesti teaduste
akadeemia kirjastus
cover
Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics
О ДИНАМИКЕ АВТОНОМНЫХ СИСТЕМ, КАНОНИЗИРУЕМЫХ ПРЕОБРАЗОВАНИЕМ ВРЕМЕНИ; pp. 439–441
PDF | https://doi.org/10.3176/phys.math.1980.4.15

Author
Igor Keis
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