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JOURNALS // Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya // Archive

Izv. Akad. Nauk SSSR Ser. Mat., 1956 Volume 20, Issue 1, Pages 99–136 (Mi im3671)

Second obstructions for cross-sections

V. G. Boltyanskii


Received: 16.08.1954



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© Steklov Math. Inst. of RAS, 2026