Seventy years of Professor Vlastimil Pták (Biography and interview)
Zdeněk Vavřín (1996)
Czechoslovak Mathematical Journal
Similarity:
Zdeněk Vavřín (1996)
Czechoslovak Mathematical Journal
Similarity:
John S. Spraker, Daniel C. Biles (1994)
Czechoslovak Mathematical Journal
Similarity:
Jan Chrastina (1994)
Czechoslovak Mathematical Journal
Similarity: