Reguli︠a︡rnye i singuli︠a︡rnye sistemy lineĭnykh obyknovennykh different︠s︡ialʹnykh uravneniĭ /
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Format: | Book |
Language: | Russian |
Published: |
Novosibirsk :
"Nauka," Sibirskoe otd-nie,
1980
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