input question: Fix spacing: CramerbecameinterestedintherigorousmathematicalformulationofprobabilityinworkoftheFrenchandRussianmathematicianssuchasPaulLevy,SergeiBernstein,andAleksandrKhinchinintheearly1930s,butinparticulartheaxiomaticapproachofKolmogorov.

output answer: Cramer became interested in the rigorous mathematical formulation of probability in work of the French and Russian mathematicians such as Paul Levy , Sergei Bernstein , and Aleksandr Khinchin in the early 1930s, but in particular the axiomatic approach of Kolmogorov .

input question: Fix spacing: AVG'sInvisibilityGlassespromisetoprotectyourprivacyinpublic|xComputer

output answer: AVG's Invisibility Glasses promise to protect your privacy in public | xComputer

input question: Fix spacing: Covad'esCulleramwasdiscoveredin1907.

output answer: Cova d'es Culleram was discovered in 1907.

input question: Fix spacing: OnlywiththiscodePHPcanimplementtheversionmore'current'System.

output answer:
Only with this code PHP can implement the version more ' current' System.