In Russian. Sobolevsky, Pavel Evseevich. On correct solubility in C of the first boundary problem for differential elliptical and parabolic equations in rectangular areas. Novosibirsk: 1976. O korrektnoy razreshimosti v S pervoy kraevoy zadachi dlya raznostnykh ellipticheskikh i parabolicheskikh uravneniy v pryamougol'nykh oblastyakh. In Russian /On the correct solubility in C of the first boundary problem for differential elliptical and parabolic equations in rectangular areas . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7010013
Reference : 7010013
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