1 - American mathematical society translations - Series 2 - Volume 16 |
2 - American mathematical society translations - Series 2 - Volume 8 |
3 - Nine papers on Hilbert's 16th problem |
1 - American mathematical society translations - Series 2 - Volume 16 |
2 - American mathematical society translations - Series 2 - Volume 8 |
3 - Nine papers on Hilbert's 16th problem |