Igor Protasov was born in 1966.
Nikolaiy Protasov was born in 1798.
Oleh Protasov was born on 1964-02-04.
Nikolaiy Protasov died in 1855.
I. Protasov has written: 'Combinatorics of numbers' -- subject(s): Combinatorial analysis, Ultrafilters (Mathematics)
Igor Grabar was born in 1871.
Igor Romishevsky was born in 1940.
Igor Fokin was born in 1960.
Igor Grabovetchi was born in 1967.
Igor Lovchinsky was born in 1984.
Igor Spassky was born in 1926.
Igor Marojević was born in 1968.
Igor Gamow was born in 1936.