• For every contraction mapping ... this equation has a unique solution.
• For every kind of particle there is an antiparticle.
• For every contraction mapping ... this equation has a unique solution.
• For every kind of particle there is an antiparticle.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012